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Annex VI Entry 6 08/03/2011

PHENYLBENZIMIDAZOLE SULFONIC ACID

2-Phenylbenzimidazole-5-sulphonic acid and its potassium, sodium and triethanolamine salts / Ensulizole

PHENYLBENZIMIDAZOLE SULFONIC ACID appears in Annex VI as a positive-list UV filter entry for EU cosmetics. Maximum concentration in this record: 8%(as acid).

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Permitted UV filter— Annex VI, EU Regulation 1223/2009
Max conc.: 8%(as acid)
Entry: 6

Record details

Maximum concentration

8%(as acid)

INCI glossary name

PHENYLBENZIMIDAZOLE SULFONIC ACID

Chemical name

2-Phenylbenzimidazole-5-sulphonic acid and its potassium, sodium and triethanolamine salts / Ensulizole

Regulatory information

Regulation

(EC) 2009/1223

SCCS opinions

Identified ingredients

Key data

CAS
27503-81-7
EC
248-502-0
Annex
VI
Entry number
6

Inventory links for PHENYLBENZIMIDAZOLE SULFONIC ACID

Direct matches are limited for this record, so nearby entries from Annex VI are shown as well.

Annex VI 4
Nearby record in the same annex

BENZOPHENONE-3

CAS: 131-57-7
EC: 205-031-5
Annex VI 3
Nearby record in the same annex

HOMOSALATE

CAS: 118-56-9
EC: 204-260-8
Annex VI 10
Nearby record in the same annex

OCTOCRYLENE

CAS: 6197-30-4
EC: 228-250-8
Annex VI 13
Nearby record in the same annex

PEG-25 PABA

CAS: 116242-27-4

What Annex VI means for PHENYLBENZIMIDAZOLE SULFONIC ACID

PHENYLBENZIMIDAZOLE SULFONIC ACID is an approved UV filter listed in Annex VI of EU Cosmetics Regulation 1223/2009. Only UV filters included in this positive list may be used to provide UV protection in EU cosmetic products.

The maximum permitted concentration specified in this entry applies to the ready-to-use product. Some UV filters are restricted to specific application types or require label warnings.

This record is linked to 4 CosIng inventory ingredients for name and identifier cross-reference. The page also surfaces 12 related annex records with overlapping identifiers, annex logic or naming patterns.

Compliance checklist

  • Concentration in ready-to-use product must not exceed: 8%(as acid)
  • Check whether the UV filter is approved for both leave-on and rinse-off applications.

Frequently asked questions

Yes. PHENYLBENZIMIDAZOLE SULFONIC ACID is listed in Annex VI of EU Cosmetics Regulation 1223/2009 as a permitted UV filter. It may be used at concentrations up to the specified maximum in the ready-to-use product.

CAS 27503-81-7 is the unique numerical identifier assigned to PHENYLBENZIMIDAZOLE SULFONIC ACID by the Chemical Abstracts Service. In cosmetic compliance work, the CAS number is used to cross-reference the substance across regulatory databases, raw material specifications and safety assessment reports. Multiple EU annex entries may share the same CAS number if the same substance appears under different conditions or in different annexes.

The maximum concentration of 8%(as acid) applies to the concentration of the substance in the ready-to-use cosmetic product. When the substance is supplied as part of a blend or mixture, the calculation must account for the contribution of all sources in the formulation. The combined concentration must not exceed the stated limit.

Use the INCI Checker tool on this site to paste your full ingredient list (INCI) and scan it against all Annex II–VI entries. The tool highlights any ingredients that match restricted, prohibited or allergen-flagged records. This is useful for rapid compliance screening of finished product formulas or raw material declarations.
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Source note for Annex VI record PHENYLBENZIMIDAZOLE SULFONIC ACID

This page summarizes one Annex VI record for PHENYLBENZIMIDAZOLE SULFONIC ACID from public European Commission cosmetic materials and adds linked inventory or identifier matches when available.

Use this record page to review Annex VI conditions for PHENYLBENZIMIDAZOLE SULFONIC ACID, but confirm any final regulatory decision against the current official annex wording and source files.

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